<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>TestAPI</title>
</head>
<body>
    <input type="text" id="message">
    <button  id="submit">提交</button>

    <script>
        // 创建 websocket 实例
        let websocket = new WebSocket("ws://127.0.0.1:8080/test");

        // 需要给实例挂载一些回调函数
        websocket.onopen = function (){
            console.log("建立连接")
        }

        websocket.onmessage = function (e){
            console.log("收到消息："+e.data)
        }
        websocket.onerror = function (){
            console.log("连接异常")
        }

        websocket.onclose = function (){
            console.log("断开连接")
        }

        let input = document.querySelector('#message')
        let button = document.querySelector('#submit')
        button.onclick = function (){
            console.log("发送消息: " + input.value);
            websocket.send(input.value);
        }
    </script>

</body>
</html>